don't reset the cache upon iterator creation
don't reset the cache upon iterator creation

mpgerlek/PDAL-old,verma/PDAL,mpgerlek/PDAL-old,mtCarto/PDAL,radiantbluetechnologies/PDAL,verma/PDAL,jwomeara/PDAL,DougFirErickson/PDAL,radiantbluetechnologies/PDAL,DougFirErickson/PDAL,jwomeara/PDAL,Sciumo/PDAL,DougFirErickson/PDAL,boundlessgeo/PDAL,boundlessgeo/PDAL,verma/PDAL,lucadelu/PDAL,verma/PDAL,boundlessgeo/PDAL,Sciumo/PDAL,verma/PDAL,mpgerlek/PDAL-old,verma/PDAL,mpgerlek/PDAL-old,DougFirErickson/PDAL,lucadelu/PDAL,mtCarto/PDAL,jwomeara/PDAL,jwomeara/PDAL,radiantbluetechnologies/PDAL,radiantbluetechnologies/PDAL,lucadelu/PDAL,verma/PDAL,mtCarto/PDAL,Sciumo/PDAL,lucadelu/PDAL,mtCarto/PDAL,boundlessgeo/PDAL,Sciumo/PDAL